Houston Astros minor league players

This a partial list of Minor League Baseball players in the Houston Astros system and the rosters of their minor league affiliates.

Kevin Alvarez
Houston Astros
Outfielder
Born: (2008-01-13) January 13, 2008 Colón, Cuba
Bats: Left Throws: Left

Kevin Reynaldo Alvarez (born January 13, 2008) is a Cuban professional baseball outfielder in the Houston Astros organization.

Alvarez was born in Cuba and left in 2021 to live in the Dominican Republic.¹ He was rated among the top international prospects in the 2025 class and signed with the Houston Astros in January 2025.²³ He made his professional debut that year with the Dominican Summer League Astros.

Alvarez started the 2026 season with the Fayetteville Woodpeckers.⁴

• Career statistics from Baseball Reference (Minors)

Sam Carlson
Houston Astros
Pitcher
Born: (1998-12-03) December 3, 1998 Savage, Minnesota, U.S.
Bats: Right Throws: Right

Samuel Carlson (born December 3, 1998) is an American professional baseball pitcher in the Houston Astros organization.

Carlson attended Burnsville High School in Burnsville, Minnesota.⁵ During his senior year, Carlson had a jump in velocity, going from the 88–92 miles per hour range to 93–97.⁶ He posted a 0.93 ERA (9th in state and 2nd on Burnsville) and 53 strikeouts (28th in state) over 34 innings, and was named Minnesota Mr. Baseball.⁷ He committed to play college baseball for the Florida Gators.⁸

Carlson was selected in the second round, with the 55th overall selection, of the 2017 Major League Baseball draft by the Seattle Mariners.^{9 10} He signed with the Mariners for $2 million.¹¹ He made his professional debut with the Arizona League Mariners, pitching only three innings before being shut down due to minor elbow discomfort.¹²

Heading into the 2018 season, Carlson was named Seattle's third ranked prospect and the top pitching prospect in the organization, but had elbow discomfort return during the Mariners mini-camp in February and was shut down again. He was given a platelet-rich injection and eventually started rehabbing, but a setback in his rehab forced him to undergo Tommy John surgery on July 2, causing him to miss the rest of 2018 and all of the 2019 season.¹³¹⁴ Carlson returned healthy in 2020, but did not play a game after the minor league season was cancelled due to the COVID-19 pandemic.¹⁵ For the 2021 season, he was assigned to the Single-A Modesto Nuts, starting 19 games with a 6–4 record, 4.77 ERA, and 112 strikeouts in 100 innings.¹⁶

In 2022, Carlson made 16 appearances (11 starts) for Modesto, recording a 4.61 ERA with 60 strikeouts across 56+2⁄3 innings of work.¹⁷ He spent 2023 with the High-A Everett AquaSox, pitching in 39 games and logging a 5.25 ERA with 61 strikeouts and six saves. As a six-year minor league veteran, Carlson elected free agency on November 6.¹⁸

On November 30, 2023, Carlson signed a minor league contract with the Milwaukee Brewers.¹⁹ He pitched 44 games in relief for the Double-A Biloxi Shuckers in 2024, going 4–2 with a 4.25 ERA and 51 strikeouts in 48+2⁄3 innings.²⁰ Carlson elected free agency following the season on November 4, 2024.²¹

On December 13, 2024, Carlson signed a minor league contract with the Los Angeles Dodgers.²² He pitched in 45 games for the Triple-A Oklahoma City Comets, posting a 4–2 record and 4.22 ERA with 78 strikeouts.²³ Carlson elected free agency following the season on November 6, 2025.²⁴

On December 27, 2025, Carlson signed a minor league contract with the Houston Astros.²⁵

• Career statistics from MLB · Baseball Reference (Minors)

Raynel Delgado
Houston Astros
Infielder
Born: (2000-04-04) April 4, 2000 Havana, Cuba
Bats: Left Throws: Right
Medals Men's baseball Representing  United States U-18 Baseball World Cup 2017 Thunder Bay Team

Raynel Delgado (born April 4, 2000) is an American professional baseball infielder in the Houston Astros organization.

Delgado was drafted by the Cleveland Indians in the sixth round of the 2018 Major League Baseball draft.²⁶ On November 4, 2024, he elected free agency.²⁷ He was signed to a minor league contract with an invitation to Spring Training by the Milwaukee Brewers on November 15.

On August 19, 2025, Delgado hit for the cycle with the Triple-A Nashville Sounds.²⁸ In 125 total appearances for Nashville, he batted .281/.363/.378 with five home runs, 53 RBI, and 40 stolen bases. Delgado elected free agency following the season on November 6.²⁹

On November 20, 2025, Delgado signed a minor league contract with the Tampa Bay Rays.³⁰ Delgado was assigned to the Triple-A Durham Bulls to begin the 2026 season, where he slashed .250/.320/.362 with three home runs, 33 RBI, and 24 stolen bases across his first 61 games.

On June 10, 2026, Delgado was traded to the Houston Astros in exchange for cash considerations.³¹

• Career statistics from Baseball Reference (Minors)

Trey Dombroski
Houston Astros
Pitcher
Born: (2001-03-13) March 13, 2001 Manasquan, New Jersey, U.S.
Bats: Right Throws: Left

Howard Joseph Dombroski (born March 13, 2001) is baseball pitcher in the Houston Astros organization. He played college baseball for the Monmouth Hawks.

Dombroski grew up in Manasquan, New Jersey and attended Wall High School.³² He was named the NJ.com Pitcher of the Year as a senior.³³

Dombroski's freshman season was cut short by COVID-19. As a sophomore, he went 5-1 with a 2.73 ERA.³⁴ After the season, Dombroski played for the Harwich Mariners of the Cape Cod Baseball League and was named the league Pitcher of the Year.³⁵ As a junior, he was named the MAAC Pitcher of the Year.³⁶

Dombroski was selected in the fourth round in the 2022 Major League Baseball draft by the Houston Astros.³⁷ He signed with the Astros on July 23, 2022, and received a $443,900 signing bonus.³⁸

• Career statistics from Baseball Reference (Minors)
• Monmouth Hawks bio

Michael Knorr
Houston Astros
Pitcher
Born: (2000-05-12) May 12, 2000 Princeton, New Jersey, U.S.
Bats: Right Throws: Right

Michael Jacob Knorr (born May 12, 2000) is an American professional baseball pitcher in the Houston Astros organization.

Knorr attended Carlsbad High School in Carlsbad, California. He was selected by the San Diego Padres in the 40th round of the 2018 Major League Baseball draft, but did not sign.³⁹ He played three years of college baseball at California State University, Fullerton before transferring to Coastal Carolina University in 2022.⁴⁰

After one year at Coastal Carolina, Knorr was selected by the Houston Astros in the third round of the 2022 Major League Baseball draft.⁴¹ He signed with the Astros and spent his first professional season in 2023 with the Fayetteville Woodpeckers and Asheville Tourists. He started 2024 with the Corpus Christi Hooks.

• Career statistics from Baseball Reference (Minors)
• Cal State Fullerton Titans bio
• Coastal Carolina Chanticleers bio

Bryce Mayer
Houston Astros
Pitcher
Born: (2002-02-11) February 11, 2002 Washington, Missouri, U.S.
Bats: Right Throws: Right

Bryce Matthew Mayer (born February 11, 2002) is an American professional baseball pitcher in the Houston Astros organization.

Mayer attended St. Francis Borgia High School in Washington, Missouri and played college baseball at St. Charles Community College and the University of Missouri. He was selected by the Houston Astros in the 16th round of the 2024 Major League Baseball draft.⁴²⁴³

Mayer made his professional debut in 2024 with the Fayetteville Woodpeckers. He started 2025 with Fayetteville and was promoted to the Asheville Tourists and Corpus Christi Hooks during the season.⁴⁴

• Career statistics from Baseball Reference (Minors)

Jackson Nezuh
Houston Astros
Pitcher
Born: (2002-02-11) February 11, 2002 Augusta, Georgia, U.S.
Bats: Right Throws: Right

Jackson Thomas Nezuh (born February 11, 2002) is an American professional baseball pitcher in the Houston Astros organization.

Nezuh attended TNXL Academy in Ocoee, Florida and played college baseball at Florida State University for two seasons before transferring to University of Louisiana at Lafayette.⁴⁵ In 2022, he played collegiate summer baseball with the Brewster Whitecaps of the Cape Cod Baseball League.⁴⁶ After one year at Louisiana, he was selected by the Houston Astros in the 14th round of the 2023 Major League Baseball draft.⁴⁷

Nezuh made his professional debut in 2024 with the Fayetteville Woodpeckers and ended the season with the Asheville Tourists.⁴⁸ He started 2025 with the Corpus Christi Hooks.

• Career statistics from Baseball Reference (Minors)
• Florida State Seminoles bio
• Louisiana Ragin' Cajuns bio

Ethan Pecko
Houston Astros
Pitcher
Born: (2002-08-25) August 25, 2002 Darby, Pennsylvania, U.S.
Bats: Right Throws: Right

Ethan John Pecko (born August 25, 2002) is an American professional baseball pitcher in the Houston Astros organization.

Pecko grew up in Ridley Park, Pennsylvania and attended Ridley High School in Folsom, Pennsylvania.⁴⁹ After graduating in 2020, he enrolled at La Salle University but missed his freshman year in 2021 after undergoing UCL surgery.⁵⁰ La Salle eliminated baseball following the 2021 season, and Pecko transferred to Towson University.⁵¹ As a redshirt sophomore in 2023, he went 2-2 with a 3.21 ERA and 48 strikeouts.⁵² After the season, he played collegiate summer baseball in the Northwoods League with the Wausau Woodchucks.⁵³ Pecko was selected by the Houston Astros in the sixth round of the 2023 Major League Baseball draft.⁵³

Pecko made his professional debut in 2023 with the Florida Complex League Astros and also spent time with the Fayetteville Woodpeckers. Over 15 innings, he posted a 6.60 ERA. Pecko was assigned to Fayetteville to open 2024 and was promoted to the Asheville Tourists and Corpus Christi Hooks during the season.⁵⁴ Over 26 games (15 starts) between the three teams, Pecko went 4-6 with a 3.47 ERA and 125 strikeouts over 96 innings and was named the Astros 2024 Minor League Pitcher of the Year.⁵⁵ He was assigned to Corpus Christi to open the 2025 season, missing some time due to injury and rehabbing in the Complex League.⁵⁶ Over 11 games with Corpus Christi, Pecko posted a 4.40 ERA and 45 strikeouts. In early August, he was promoted to the Sugar Land Space Cowboys.⁵⁷ Over eight games with Sugar Land to end the season, Pecko went 1-4 with a 3.09 ERA and 48 strikeouts over 35 innings.⁵⁸ Pecko opened the 2026 season on the injured list with thoracic outlet syndrome before rehabbing with Fayetteville and then being assigned to Sugar Land.⁵⁹

• Career statistics from Baseball Reference (Minors)
• La Salle Explorers bio
• Towson Tigers bio

Alex Santos
Houston Astros – No. 90
Pitcher
Born: (2002-02-10) February 10, 2002 New York, New York, U.S.
Bats: Right Throws: Right

Alex Zavier Santos (born February 10, 2002) is an American professional baseball pitcher in the Houston Astros organization.

Santos grew up in The Bronx and attended Mount Saint Michael Academy.⁶⁰ He had committed to play college baseball at Maryland.⁶¹

Santos was selected in the 2nd round of the 2020 MLB draft by the Houston Astros.⁶² He signed with the team and received a $1.25 million signing bonus.⁶³ Santos spent the 2021 season with the Fayetteville Woodpeckers of the Low-A East and posted a 2–2 record with a 3.46 ERA and 48 strikeouts in 41+2⁄3 innings pitched.⁶⁴

• Career statistics from Baseball Reference (Minors)

Jason Schiavone
Houston Astros
Catcher
Born: (2003-03-19) March 19, 2003 Baltimore, Maryland, U.S.
Bats: Right Throws: Right

Jason Christopher Schiavone (born March 19, 2003) is an American professional baseball catcher in the Houston Astros organization.

Schiavone attended St. John's College High School in Washington, D.C. and played college baseball at James Madison University (JMU).⁶⁵⁶⁶ He was selected by the Houston Astros in the 11th round of the 2024 Major League Baseball draft.⁶⁷⁶⁸

Schiavone made his professional debut in 2024 with the Fayetteville Woodpeckers and played 2025 with Fayetteville and Asheville Tourists. He started 2026 with Asheville before being promoted to the Corpus Christi Hooks.

• Career statistics from Baseball Reference (Minors)

Lucas Spence
Houston Astros – No. 89
Outfielder
Born: (2003-01-27) January 27, 2003 Chicago Heights, Illinois, U.S.
Bats: Left Throws: Left

Lucas Edward Spence (born January 27, 2003) is an American professional baseball outfielder in the Houston Astros organization.

Spence played college baseball at the Black Hawk College and Southern Illinois University Edwardsville. After going unselected in the 2024 Major League Baseball draft, he signed with the Houston Astros as an undrafted free agent.⁶⁹

Spence made his professional debut with the Fayetteville Woodpeckers.⁷⁰ He started 2025 with Fayetteville before being promoted to the Asheville Tourists and Corpus Christi Hooks.⁷¹

• Career statistics from Baseball Reference (Minors)

Joseph Sullivan
Houston Astros
Outfielder
Born: (2002-07-01) July 1, 2002 Birmingham, Alabama, U.S.
Bats: Left Throws: Left

Patrick Joseph Sullivan III (born July 1, 2002) is an American professional baseball outfielder in the Houston Astros organization.

Sullivan attended Vestavia Hills High School in Vestavia Hills, Alabama, where he played baseball.⁷² As a senior in 2021, he hit .402 with thirty RBIs.⁷³ After graduating, he enrolled at the University of South Alabama where he played college baseball for the Jaguars. As a sophomore in 2023, he played in 52 games and batted .304 with 13 home runs, 44 RBIs, and twenty stolen bases.⁷⁴ Sullivan missed time during his junior season due to a wrist injury, but still started 38 games and hit .266 with nine home runs and 32 RBIs.⁷⁵ After the season, he was selected by the Houston Astros in the seventh round of the 2024 Major League Baseball draft.⁷⁶

Sullivan signed with the Astros for $239,900.⁷⁷ After signing, he made his professional debut with the Fayetteville Woodpeckers, hitting .250 with five doubles over twenty games. Sullivan was a non-roster invitee to 2025 spring training, and hit Houston's first home run of the spring.⁷⁸ He was assigned to the Asheville Tourists to open the 2025 season.⁷⁹ In July, he was promoted to the Corpus Christi Hooks.⁸⁰ Over 106 games between the two teams, Sullivan hit .220 with 17 home runs, 49 RBIs, and 42 stolen bases.⁸¹ He was assigned to play in the Arizona Fall League with the Scottsdale Scorpions after the season.⁸¹

Sullivan's grandfather, Pat Sullivan, won the 1971 Heisman Trophy.⁸²

• Career statistics from Baseball Reference (Minors)
• South Alabama Jaguars bio

Alonzo Tredwell
Houston Astros
Pitcher
Born: (2002-05-08) May 8, 2002 Marblehead, Massachusetts83
Bats: Left Throws: Right

Alonzo Slote Tredwell III (born May 8, 2002) is an American professional baseball pitcher in the Houston Astros organization.

Tredwell was born in Marblehead, Massachusetts, but moved to Orange County, California at the age of five. He grew up in Coto de Caza, California attended Mater Dei High School in Santa Ana, California.⁸³ He played college baseball for the UCLA Bruins. In Tredwell's freshman season, he pitched in 47 innings, posting a 2.11 ERA, and 62 strikeouts, leading to him being named a consensus Freshman All-American and earning All-Pac 12 honors.⁸⁴ In 2022 Tredwell had a bit of a step down pitching a 3.57 ERA and 51 strikeouts against only 12 walks in 45 and 1⁄3 innings. Then in 2023 Tredwell started in nine games, having a 3.57 ERA.⁸⁵⁸⁶

Tredwell was drafted by the Houston Astros in the second round with the 61st pick of the 2023 Major League Baseball draft.⁸⁷⁸⁸ On July 18, 2023, he signed with the Astros for $1,497,500.⁸⁹

• Career statistics from MLB · Baseball Reference (Minors)
• UCLA Bruins bio

Miguel Ullola
Houston Astros – No. 66
Pitcher
Born: (2002-06-19) June 19, 2002 Puerto Plata, Dominican Republic
Bats: Right Throws: Right

Miguel Daniel Ullola (born June 19, 2002) is a Dominican professional baseball pitcher for the Houston Astros of Major League Baseball (MLB).

Ullola signed with the Houston Astros as an international free agent in January 2021.⁹⁰ He spent his first professional season that year with the Dominican Summer League Astros and Florida Complex League Astros. He pitched 2022 with the Fayetteville Woodpeckers and 2023 with the Asheville Tourists. After the 2023 season, he pitched in the Arizona Fall League.

Ullola started 2024 with the Double-A Corpus Christi Hooks before being promoted to the Triple-A Sugar Land Space Cowboys and started 2025 with Sugar Land.⁹¹ In 28 appearances (23 starts) for Sugar Land, he compiled a 7-6 record and 3.88 ERA with 131 strikeouts across 113+2⁄3 innings pitched.

On November 18, 2025, the Astros added Ullola to their 40-man roster to protect him from the Rule 5 draft.⁹² Ullola was optioned to Triple-A Sugar Land to begin the 2026 season.⁹³

• Career statistics from Baseball Reference (Minors)

Sugar Land Space Cowboys roster

• v
• t
• e

Players

Coaches/Other

Pitchers 48 Jason Alexander * 15 Brandon Bielak 67 Cody Bolton * 38 Sam Carlson 59 Tom Cosgrove 55 Jose Fleury 68 J.P. France 61 Colton Gordon * 71 Josh Hader * # 33 Josh Hendrickson 54 Michael Knorr 26 Joey Mancini 37 Brandon McPherson 46 Roddery Muñoz 70 Jayden Murray * 30 Ethan Pecko 23 Christian Roa * 52 Logan VanWey * 45 Miguel Ullola * 51 Ryan Weiss * Catchers 25 Fernando Caldera ~ 29 Carlos Pérez 18 César Salazar * Infielders 22 CJ Alexander 14 Cavan Biggio  3 Pascanel Ferreras 36 Joey Loperfido * 23 Tommy Sacco Jr. 12 Riley Unroe ~ 11 Jack Winkler Outfielders 16 Zach Cole *  9 Zach Dezenzo * 66 Rhylan Thomas *

Manager 17 Mickey Storey Coaches 28 Sean Buchanan (pitching) 19 Drew Saylor (hitting)  1 Wladimir Sutil (development) 60-day injured list 80 Edwin Díaz 7-day injured list * On Houston Astros 40-man roster ~ Development list # Rehab assignment ∞ Reserve list ‡ Restricted list § Suspended list † Temporarily inactive list Roster updated June 8, 2026 Transactions → More rosters: MiLB • Pacific Coast League → Houston Astros minor league players

Corpus Christi Hooks roster

• v
• t
• e

Players

Coaches/Other

Pitchers 29 Amilcar Chirinos 32 Michael Cuevas 20 Ramsey David 26 Trey Dombroski 17 Brett Gillis 27 Jose Guedez 21 James Hicks 53 Cristian Javier * # 19 Hudson Leach  6 Bryce Mayer 22 Trey McLoughlin 18 Jackson Nezuh 23 Railin Perez 16 Julio Rodriguez 11 Alex Santos II  7 Nic Swanson 40 Alejandro Torres 48 Derek True Catchers 13 Will Bush 43 August Cuneo 10 Garret Guillemette 15 Max Holy  3 Walker Janek 44 Jason Schiavone Infielders  2 Nick Allen * # 41 Trevor Austin  5 Jax Biggers  1 Yamal Encarnacion 19 Alberto Hernandez  3 Jeremy Pena * #  2 Jeron Williams Outfielders 25 Drew Brutcher 14 Lucas Spence  9 Joseph Sullivan  4 Taylor Trammell * #  8 Tyler Whitaker

Manager -- Ricky Rivera Coaches 45 Bobby Bell (hitting) -- Jeremy Cologna (development) -- Zach Wilkins (pitching) 60-day injured list -- Alonzo Tredwell 7-day injured list * On Houston Astros 40-man roster ~ Development list # Rehab assignment ∞ Reserve list ‡ Restricted list § Suspended list † Temporarily inactive list Roster updated June 3, 2026 Transactions → More rosters: MiLB • Texas League → Houston Astros minor league players

Asheville Tourists roster

• v
• t
• e

Players

Coaches/Other

Pitchers 36 Jordan Carr 31 Bryce Collins 19 Anthony Cruz 21 Nolan DeVos 15 Francisco Frias 32 Cole Hertzler 17 Dylan Howard 33 Colby Langford 99 Eurys Martich 23 Joan Ogando 14 Luis Rodriguez 41 Raimy Rodriguez  2 Yeriel Santos 39 Conor Steinberg 35 Parker Smith 31 Andrew Taylor  8 Jackson Wells -- Nico Zeglin Catchers 38 Freuddy Batista 13 John Garcia 34 Hemmanuel Rosario 27 Keduar Trujillo Infielders  3 Narbe Cruz 10 Zach Daudet 28 Jack Moss  9 Alejandro Nunez  7 Caden Powell  1 Kyle Walker Outfielders 26 Chase Call 16 Ethan Frey  8 Cesar Hernandez  5 Mason Lytle 37 Nehomar Ochoa Jr.  4 Justin Thomas Jr.

Manager 25 Nate Shaver Coaches 19 T. J. Burgmann (hitting) -- Josiah Hissong (development) -- Craig Prince (pitching) 60-day injured list -- Garrett Apker 90 Juan Bello 7-day injured list * On Houston Astros 40-man roster ~ Development list # Rehab assignment ∞ Reserve list ‡ Restricted list § Suspended list † Temporarily inactive list Roster updated June 8, 2026 Transactions → More rosters: MiLB • South Atlantic League → Houston Astros minor league players

Fayetteville Woodpeckers roster

• v
• t
• e

Players

Coaches/Other

Pitchers 44 Jagger Beck 18 Jesus Carrera  0 Brandon Cassedy 48 Ryan Forcucci ~ 21 Juan Fraide -- Rafael Gonzalez 11 Cole MacRae 38 Ryan Mathiesen -- Juan Nunez 35 Kellan Oakes 30 Gabel Pentecost 22 Javier Perez 19 Nick Potter 26 Leomar Rosario 36 Jose Serrano 46 Adam Shoemaker 47 Aubrey Smith -- Danny Trehey 39 Jose Varela 17 Ryan Verdugo 66 Charlie Weber Catchers 20 Carlos Cauro 99 Arturo Flores 77 Walker Janek #  4 Yosweld Vasquez Infielders  6 Camilo Diaz  2 Brandon Forrester 16 Curtis Hebert 27 Waner Luciano  9 Xavier Neyens  3 German Ramirez 11 Hector Salas Outfielders 10 Kevin Alvarez 12 Anthony Huezo 46 DJ Newman 28 Juan Sierra  1 Josh Wakefield

Manager 29 Carlos Lugo Coaches 14 Tanner Montgomery (development) 23 Steve Serratore (hitting) 15 James Wiseman (pitching) 60-day injured list 43 Luis Aguilar (full season) -- Grant Burleson 77 Joey Dixon -- Julio Marte -- Sandy Mejia  8 Nick Monistere 7-day injured list * On Houston Astros 40-man roster ~ Development list # Rehab assignment ∞ Reserve list ‡ Restricted list § Suspended list † Temporarily inactive list Roster updated June 5, 2026 Transactions → More rosters: MiLB • Carolina League → Houston Astros minor league players

Florida Complex League Astros roster

• v
• t
• e

Players

Coaches/Other

Pitchers  9 Luis Amador 29 Garrett Apker # 41 Adrian Ardines 28 Jhoster Baez 51 Andrew Dunford 39 Rafael Gonzalez # 44 Andrew Marrero 38 Juan Mieses 43 Juan Nunez # 20 Ismael Obregon 35 Alain Pena 21 Angel Peralta 54 Ryan Petrovitch 50 Grayson Saunier Catchers 31 Luis De Leon 18 Jase Mitchell 19 Alexi Quiroz Infielders  1 Anderson Areinamo 11 Landon Arroyos  2 Sandro Pereira 52 Reylin Perez 22 Juan Rojas Outfielders -- Bryce Boettcher ‡  8 Elijah Farley 27 Kenni Gomez 46 Cesar Hernandez # 30 Ariel Lebron 10 Luis Quesada 12 Roiner Quintana 17 Luis Rives 23 Edwin Sanchez 15 Ethan Wagner

Manager -- Vincent Blue Coaches -- Alejandro Martinez (development) -- Luis Alfredo Ramirez (pitching) -- Rene Rojas (hitting) -- Brandon Van Horn (hitting) 60-day injured list -- Antony Aparicio 37 Miguel Balza -- Jank Pichardo -- Porfirio Ramos 7-day injured list * On Houston Astros 40-man roster ~ Development list # Rehab assignment ∞ Reserve list ‡ Restricted list § Suspended list † Temporarily inactive list Roster updated June 6, 2026 Transactions → More rosters: MiLB • Florida Complex League → Houston Astros minor league players

Dominican Summer League Astros Blue roster

• v
• t
• e

Players

Coaches/Other

Pitchers 12 Angel Alcantara 20 Frederi Altagracia 45 Angel Brito 74 Dennisom Carrera 11 David Colina 26 Omar Damian 54 Antonio Delgado 55 Allen Garcia 54 Ricardo Heredia 53 Kelvin Herrera 39 Joel Jiminez  0 Deiby Marrero 22 Juan Martinez 43 Nomar Meza 29 Cesar Pastrano 37 Juan Ramirez 17 Jorman Santana 15 Kevin Santana 30 Thomas Sveyda 21 Maximiliano Villanueva 27 Victor Vizcaya Catchers 13 Ire Garcia 16 Andy Gonzalez 19 Jesus Teran Infielders  8 Randy Arias  6 Jose De La Cruz  3 Sami Manzueta  2 Santiago Martinez  4 Eric Mota Outfielders  9 Yensi De La Cruz 14 Imanol Feliz 18 Brayan Mendez 23 Eduardo Perez  1 Esteban Romero 28 Yuaxander Silveira

Manager -- Johe Acosta Coaches -- Rick Aponte (pitching) -- Selin Aquino (coach) -- Humberto Miranda (development) -- Starlyng Sanchez (pitching) -- Angel Tejeda (hitting) 7-day injured list * On Houston Astros 40-man roster ~ Development list # Rehab assignment ∞ Reserve list ‡ Restricted list § Suspended list † Temporarily inactive list Roster updated June 5, 2026 Transactions → More rosters: MiLB • Dominican Summer League → Houston Astros minor league players

Dominican Summer League Astros Orange roster

• v
• t
• e

Players

Coaches/Other

Pitchers 46 Anderson Aguilar 19 Noel Brito 20 Antony Constanza 51 Alex Gonzalez 15 Isaias Harvey 55 Robier Hernandez 22 Victor Jimenez 27 Adrianyer Lopez 36 Dahel Lopez 43 Antonio Morales 23 Leonel Murrieta 45 William Perez 41 Miguel Reyes 30 Cristian Ron 53 Sebastian Saud 26 Jesus Sosa 18 Samil Valdivieso Catchers 14 Jeans Carrizalez    Emilio Gonzalez ‡ 17 Alexander Huerta  4 Fraimy Sanchez Infielders  9 Christian Colon 29 Albert Fermín  1 Pablo Martinez 28 Sebastian Mendez 35 Oscar Rivas  3 Franchely Silverio Outfielders 16 Edwilmin Matos 44 Anthony Millan 21 Amauri Ramirez 37 Carlos Sandoval 31 Jack Valbrune

Manager -- Carlos Canelon Coaches -- Alfredo Angarita (development) -- Jervic Chavez (pitching) -- Angel Tejeda (hitting) 60-day injured list    Esteban Castro 39 Vismar Dagnino -- Anthony Gantes  0 Ender Nunez 38 Emilio Payro 57 Freddy Ramos 47 Gabriel Rivero 7-day injured list * On Houston Astros 40-man roster ~ Development list # Rehab assignment ∞ Reserve list ‡ Restricted list § Suspended list † Temporarily inactive list Roster updated June 6, 2026 Transactions → More rosters: MiLB • Dominican Summer League → Houston Astros minor league players

References

References

1. https://www.mlb.com/news/kevin-alvarez-makes-spring-training-debut-learns-from-yordan
2. https://www.chron.com/sports/astros/article/astros-sign-cuban-outfielder-20037977.php
3. https://www.mlb.com/news/astros-2025-international-prospect-signings
4. https://www.baseballamerica.com/stories/astros-kevin-alvarez-adapts-quickly-to-low-a-as-18-year-old/
5. Mizutani, Dane (May 4, 2017). "This local high school pitcher is the best prospect since Joe Mauer". Twincities.com. Retrieved March 5, 2022.
6. Belinsky, Hudson (May 22, 2017). "Sam Carlson climbing up draft boards". Baseballamerica.com. Archived from the original on July 28, 2017. Retrieved March 5, 2022.
7. Kassondra Burtis (June 27, 2017). "Burnsville's Sam Carlson named Mr. Baseball". MN Baseball Hub | High School Boys' Baseball News, Scores & Standings. Retrieved March 5, 2022.
8. Thomas, Christopher (December 28, 2015). "Sam Carlson commits to the Florida Gators". Minnesota Blizzard Baseball. Retrieved March 5, 2022.
9. "Burnsville H.S. Pitcher A Prospect For The Pros". Minnesota.cbslocal.com. May 19, 2017. Retrieved March 5, 2022.
10. "Mariners Select RHP Sam Carlson with 55th Overall Pick In MLB Draft". MLB.com. Retrieved May 17, 2025.
11. Horton, Josh. "Second-round pick Carlson signs with Mariners". MLB.com. Retrieved March 5, 2022.
12. Stone, Larry (February 21, 2020). "Mariners pitcher Sam Carlson wondered if he'd ever throw again. Now, he's a spring training inspiration". The Seattle Times. Retrieved March 5, 2022.
13. Divish, Ryan (July 3, 2018). "Elbow surgery ends the season for Mariners' top pitching prospect Sam Carlson". Seattle Times. Retrieved July 7, 2018.
14. Greg Johns (July 3, 2018). "Mariners' No. 3 prospect Carlson has TJ surgery". MLB.com. Retrieved September 9, 2019.
15. Drayer, Shannon (November 26, 2020). "Mariners' Sam Carlson, forgotten 2nd-rounder, is on familiar prospect path". Seattle Sports. Retrieved March 5, 2022.
16. "Parker Doubles Down the Ports". OurSports Central. September 19, 2021. Retrieved March 5, 2022.
17. "Sam Carlson - Stats - Pitching". fangraphs.com. Retrieved February 26, 2024.
18. Cooper, J. J. (November 8, 2023). "2023 MiLB Free Agents". Baseball America.
19. McCalvy, Adam (January 23, 2024). "Breaking down Brewers' non-roster invitees". MLB.com. Retrieved November 27, 2024.
20. "Sam Carlson Stats, Age, Position, Height, Weight, Fantasy & News". MLB.com. Retrieved November 27, 2024.
21. Eddy, Matt (November 6, 2024). "Minor League Free Agents 2024". Baseball America. Retrieved November 6, 2024.
22. Camras, Noah (December 13, 2024). "Dodgers Sign Former Brewers, Mariners Pitcher as Free Agency Continues". dodgersnation.com. Retrieved December 13, 2024.
23. "2025 Oklahoma City Comets". Baseball Reference. Retrieved September 22, 2025.
24. "Minor League Free Agents 2025". baseballamerica.com. Retrieved November 28, 2025.
25. https://www.milb.com/transactions/2025-12-27
26. "Ray Delgado Minor & Winter Leagues Statistics". Baseball-Reference. Sports Reference. Retrieved December 11, 2024.
27. Eddy, Matt (November 6, 2024). "Minor League Free Agents 2024". Baseball America.
28. "Rick Sweet Moves to Third All-Time in Minor League Wins, Raynel Delgado Hits for the Cycle". Nashville Sounds. Minor League Baseball. August 19, 2025. Archived from the original on August 20, 2025. Retrieved August 20, 2025.
29. "Minor League Free Agents 2025". baseballamerica.com. Retrieved November 29, 2025.
30. "Rays Sign John Rooney To Minor League Deal". mlbtraderumors.com. Retrieved November 21, 2025.
31. "Astros To Acquire Raynel Delgado From Rays". mlbtraderumors.com. Retrieved June 10, 2026.
32. "NJ Baseball: Bats and Trey Dombroski lead Wall to Group III state championship". Asbury Park Press. June 8, 2019. Retrieved July 17, 2022.
33. Zedalis, Joe (June 19, 2019). "Baseball: Trey Dombroski of Wall is the NJ.com Pitcher of the Year, 2019". NJ.com. Retrieved July 17, 2022.
34. "Monmouth Ace Trey Dombroski Dominates Prestigious Cape Cod League". August 11, 2021.
35. Greenspan, Jared (July 16, 2022). "Ex-Monmouth ace Trey Dombroski proving velocity isn't everything in MLB draft". New York Post. Retrieved July 17, 2022.
36. "As MLB Draft 2022 begins, when will Trey Dombroski, Zach Crotchfelt, get picked?". Asbury Park Press. July 17, 2022. Retrieved July 17, 2022.
37. Sanchez, Mark W. (July 19, 2022). "Astros select Monmouth ace Trey Dombroski in fourth round of MLB draft". New York Post. Retrieved July 20, 2022.
38. Van Doren, Kenny (July 23, 2022). "Houston Astros Announce Signings of Eight Draft Picks". SI.com. Retrieved July 24, 2022.
39. "Day 3 draft tracker: Padres complete draft with Carlsbad's Michael Knorr". San Diego Union-Tribune. June 6, 2018. Retrieved May 17, 2024.
40. "Change pays off for former Carlsbad star Michael Knorr in MLB Draft". San Diego Union-Tribune. July 18, 2022. Retrieved May 17, 2024.
41. Kelly, Danny (July 18, 2022). "Coastal Carolina's Knorr picked in 3rd round by Astros; VanScoter goes to Mariners in 5th". Post and Courier. Retrieved May 17, 2024.
42. https://www.emissourian.com/sports/houston-astros-draft-borgia-grad-bryce-mayer-in-16th-round/article_aed19a2a-45f7-11ef-b470-cb3dd393c527.html
43. https://www.warrencountyrecord.com/stories/a-dream-comes-true,114436
44. https://www.baseballamerica.com/stories/astros-bryce-mayer-has-fastball-that-plays/
45. https://www.theadvocate.com/acadiana/sports/ul_lafayette/ul-cajuns-jackson-nezuh-grateful-for-what-ul-did-for-career/article_9afacb82-20bb-11ee-a71c-fff1f76b0705.html
46. "Jackson Nezuh". pointstreak.com. Retrieved May 25, 2025.
47. https://www.theadvocate.com/acadiana/sports/ul_lafayette/ul-cajuns-uls-ace-pitcher-possible-future-no-1-drafted/article_b71aeca0-202c-11ee-8999-077f28b6a7eb.html
48. https://www.mlb.com/news/jackson-nezuh-ethan-pecko-impress-in-astros-spring-breakout
49. "Towson pitcher Ethan Pecko drafted by Astros after whirlwind three years: 'He had his eye on the prize'". July 13, 2023.
50. "Ridley Park Native Ethan Pecko Drafted as Houston Astros Pitcher". July 29, 2023.
51. "La Salle to Eliminate Baseball Program After 2021 Season". September 29, 2020.
52. Rajan, Greg; Young, Matt; Poorman, Jon (July 10, 2023). "How day 2 of MLB draft unfolded for Astros, Houston-area players". Houston Chronicle. Archived from the original on August 22, 2024. Retrieved February 27, 2025.
53. "Towson pitcher and Ridley grad Ethan Pecko picked by Astros". July 11, 2023.
54. "Woodpeckers Release 2024 Opening Day Roster".
55. "Pecko and Whitcomb earn Astros Minor League honors". MLB.com. September 23, 2024. Retrieved February 27, 2025.
56. https://www.cbssports.com/fantasy/baseball/news/astros-ethan-pecko-returns-from-7-day-il/
57. https://www.delcotimes.com/2025/08/05/houston-promotes-ridley-grad-ethan-pecko-to-triple-a/
58. Schulman, Tobey (November 12, 2025). "Rising Astros Pitching Prospect Ethan Pecko Primed for MLB Breakout". Houston Astros On SI. Retrieved December 14, 2025.
59. "Astros' Ethan Pecko: Begins rehab assignment". CBS Sports. April 7, 2026. Retrieved May 4, 2026.
60. Braziller, Zach (June 12, 2020). "Alex Santos, a lifelong Yankees fan, drafted by Astros". New York Post. Retrieved March 15, 2022.
61. "Maryland baseball commit Alex Santos picked by Astros in MLB Draft". The Baltimore Sun. June 14, 2020. Retrieved March 15, 2022.
62. McTaggart, Brian (June 11, 2020). "Astros draft Alex Santos with first pick". MLB.com. Retrieved March 15, 2022.
63. Rome, Chandler (June 19, 2020). "Astros sign 10 amateur players, including 4 draft picks". Houston Chronicle. Retrieved March 15, 2022.
64. Kaplan, Jake (February 24, 2022). "Where recent Astros draftees Alex Santos and Tyler Whitaker stand early in their development". The Athletic. Retrieved March 15, 2022.
65. https://www.dnronline.com/sports/college/schiavone-adapts-to-being-everyday-catcher/article_accf9edf-d83e-5750-875c-a8b457f1f047.html
66. https://www.dnronline.com/sports/level/college/james_madison_university/consistent-growth-got-jmus-schiavone-to-mlb/article_0d49425f-9533-56fd-9434-53275feffd17.html
67. https://www.houstonchronicle.com/sports/astros/article/2024-mlb-draft-focus-college-players-19577921.php
68. https://www.dnronline.com/sports/level/college/james_madison_university/astros-select-jmus-schiavone-with-pick-no-343/article_cbfeb281-b043-5e8a-a727-8b46a82ca70f.html
69. https://www.thetelegraph.com/sports/article/siue-s-spence-signs-astros-19581632.php
70. Vorva, Jeff (March 23, 2025). "Vedette sports report: Lucas Spence debuts for Astros". Southwest Regional Publishing. Retrieved September 22, 2025.
71. https://southwestregionalpublishing.com/2025/08/17/picking-baseball-paid-off-for-crete-monee-grad-lucas-spence/
72. preps@al.com, Mike Perrin | (March 18, 2021). "Vestavia Hills baseball coach counts on Joseph Sullivan, strong pitching". al. Retrieved September 22, 2025.
73. bthomas@al.com, Ben Thomas | (June 22, 2021). "Meet the AL.com Birmingham Terrific 20 Baseball Team for 2021". al. Retrieved September 22, 2025.
74. minabinett@al.com, Mark Inabinett | (July 15, 2024). "Auburn, USA, ASU, Montevallo, Troy get on the board at the MLB draft". al. Retrieved September 22, 2025.
75. cstephenson@al.com, Creg Stephenson | (July 15, 2024). "South Alabama's Will Turner, Joseph Sullivan selected on Day 2 of MLB draft". al. Retrieved September 22, 2025.
76. "Astros Draft pick follows Heisman-winning grandfather's example". MLB.com. Retrieved September 22, 2025.
77. Pontes, Geoff (January 9, 2025). "Houston Astros Breakout MLB Prospects For 2025". College Baseball, MLB Draft, Prospects - Baseball America. Retrieved September 22, 2025.
78. https://www.houstonchronicle.com/sports/astros/article/joseph-sullivan-spring-home-run-20183785.php
79. Ortiz, Jose De Jesus (May 13, 2025). "Astros' Joseph Sullivan Finds Power Stroke At High-A". College Baseball, MLB Draft, Prospects - Baseball America. Retrieved September 22, 2025.
80. "Astros Promote Joseph Sullivan To Double-A". College Baseball, MLB Draft, Prospects - Baseball America. July 17, 2025. Retrieved September 22, 2025.
81. McTaggert, Brian (October 11, 2025). "Sullivan seeks to finish 1st full professional season on high note in AFL". MLB.com. Retrieved October 11, 2025.
82. https://www.houstonchronicle.com/texas-sports-nation/astros/article/2024-mlb-draft-updates-day-2-19574472.php
83. "Alonzo Tredwell - Baseball - UCLA". uclabruins.com. Retrieved July 18, 2023.
84. Chriswell, John. "Get to know Houston Astros draft pick Alonzo Tredwell". Chron. Retrieved July 11, 2023.
85. Kawahara, Matt. "Houston Astros draft UCLA pitcher Alonzo Tredwell at No. 61". Houston Chronicle. Retrieved July 10, 2023.
86. Morris, Spencer (July 9, 2023). "Astros Select UCLA RHP Alonzo Tredwell at 61st Overall". SBNation. Retrieved July 11, 2023.
87. "Astros' Alonzo Tredwell: Last pick of second round". CBS Sports. Retrieved July 10, 2023.
88. Brown, Alec (July 10, 2023). "The Astros Landed A Steal in the Second Round of the 2023 MLB Draft". Fansided. Retrieved July 11, 2023.
89. "Astros Draft signing tracker". MLB.com. July 19, 2023. Retrieved July 22, 2023.
90. https://www.houstonchronicle.com/sports/astros/article/prospects-to-watch-spring-training-20158239.php
91. Cowboys, Garrett Greene/Space. "Miguel Ullola Repeats as Pacific Coast League Pitcher of the Week". MiLB.com. Retrieved September 22, 2025.
92. "Astros Designate Ramon Urias For Assignment". mlbtraderumors.com. Retrieved November 21, 2025.
93. "Houston Astros option Colton Gordon and Miguel Ullola to minors". houstonchronicle.com. Retrieved March 23, 2026.